Methyl 5-hydroxy-4-methyl-3-(trifluoromethoxy)pyridine-2-acetate
Methyl 3-hydroxy-4-methyl-2-(trifluoromethoxy)pyridine-5-acetate
Methyl 3-hydroxy-2-methyl-5-(trifluoromethoxy)pyridine-6-acetate
4-Hydroxy-3-iodo-2-(trifluoromethoxy)pyridine-5-methanol